Home / 220,708.23-304,556.28-123,889.91

Finding the Fourth Proportional to 220,708.23, 304,556.28 and 123,889.91

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Solution

The fourth proportional to 220,708.23, 304,556.28 and 123,889.91 is: 170,956.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,708.23 : 304,556.28 = 123,889.91 : x
  2. Step 2: Convert to fraction form
    220,708.23/304,556.28 = 123,889.91/x
  3. Step 3: Cross multiply
    220,708.23x = 304,556.28 × 123,889.91
  4. Step 4: Simplify right side
    220,708.23x = 37,731,448,596.35
  5. Step 5: Solve for x
    x = 37,731,448,596.35/220,708.23
  6. Step 6: Final answer
    x = 170,956.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.